US PATENT SUBCLASS 423 / 520
.~.~.~ Bisulfate

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

511  DF  SULFUR OR COMPOUND THEREOF {4}
512.1  DF  .~ Oxygen containing {11}
519.2  DF  .~.~ Sulfite {1}
520.~.~.~ Bisulfate

DEFINITION

Classification: 423/520

(under subclass 512.1) Products or processes wherein the compound contains the bisulfate or acid sulfate radical (SO4[supscrpt]2-[end supscrpt]).